Features of Neck Butt Welding Flange
- Corrosion resistance, high pressure resistance, long life, easy installation.
- The smooth welding joints are tightly connected, and the workmanship is neat and burr-free.
- Strong sealing and high matching degree.
DN | D | K | L | n | C | H1 | R | H |
10 | 90 | 60 | 14 | 4 | 16 | 6 | 4 | 35 |
15 | 95 | 65 | 14 | 4 | 16 | 6 | 4 | 38 |
20 | 105 | 75 | 14 | 4 | 18 | 6 | 4 | 40 |
25 | 115 | 85 | 14 | 4 | 18 | 6 | 4 | 40 |
32 | 140 | 100 | 18 | 4 | 18 | 6 | 6 | 42 |
40 | 150 | 110 | 18 | 4 | 18 | 7 | 6 | 45 |
50 | 165 | 125 | 18 | 4 | 18 | 8 | 5 | 45 |
65 | 185 | 145 | 18 | 8 | 18 | 10 | 6 | 45 |
80 | 200 | 160 | 18 | 8 | 20 | 10 | 6 | 50 |
100 | 220 | 180 | 18 | 8 | 20 | 12 | 8 | 52 |
125 | 250 | 210 | 18 | 8 | 22 | 12 | 8 | 55 |
150 | 285 | 240 | 22 | 8 | 22 | 12 | 10 | 55 |
200 | 340 | 295 | 22 | 12 | 24 | 16 | 10 | 62 |
250 | 405 | 355 | 26 | 12 | 26 | 16 | 12 | 70 |
300 | 460 | 410 | 26 | 12 | 28 | 16 | 12 | 78 |
350 | 520 | 470 | 26 | 16 | 30 | 16 | 12 | 82 |
400 | 580 | 525 | 30 | 16 | 32 | 16 | 12 | 85 |
450 | 640 | 585 | 30 | 20 | 40 | 16 | 12 | 87 |
500 | 715 | 650 | 33 | 20 | 44 | 16 | 12 | 90 |
600 | 840 | 770 | 36 | 20 | 54 | 18 | 12 | 95 |
… | … | … | … | … | … | … | … | … |
2000 | 2345 | 2230 | 62 | 48 | 66 | 40 | 16 | 180 |